CN215821934U - Remaining needle structure under ultrasonic guidance - Google Patents

Abstract

The utility model discloses an indwelling needle structure for ultrasonic guidance, which relates to the technical field of indwelling needles and comprises a needle seat, wherein a rubber plug is arranged in an inner cavity at one end of the needle seat, one end of the rubber plug movably penetrates through the inner wall at one end of the needle seat and extends to one side of the needle seat, a fixed block is fixedly connected to one side surface of the rubber plug, a needle core is fixedly connected to the middle of the other side surface of the rubber plug, an isolating plug matched with the needle seat is arranged in the inner cavity of the needle seat, and the isolating plug is fixedly connected with the inner side wall of the needle seat. According to the utility model, the inner walls of the two sides of the sliding groove are respectively provided with a plurality of limiting grooves which are distributed horizontally at equal intervals, and the inner cavity of the sliding groove is provided with the sliding plate matched with the sliding groove, so that the catheter can stretch out and draw back to a certain degree, the phenomena that the length of an indwelling needle is too short or too long, the puncture is too long and inconvenient, the puncture is too short and the indwelling needle is easy to fall off are avoided, and the universality of the device is improved.

Description

Remaining needle structure under ultrasonic guidance

Technical Field

The utility model relates to the technical field of remaining needles, in particular to a remaining needle structure for ultrasonic guidance.

Background

The use of remaining needle can reduce the misery that the infant caused because of relapse venipuncture and the fear of making a needle, alleviate the headings's anxiety, the clinical medicine of being convenient for, urgent, critical patient's rescue is used medicine, alleviate nurse's work load, it is painful to reduce the infant, therefore the vein is kept somewhere the needle and is being used widely in clinic, in the face of this special colony of infant, the length of vein is kept somewhere needle and the comfort of infant becomes nurse and the headings's problem of paying attention to, also is the prerequisite of sign and popularization that the needle of keeping somewhere was used successfully.

The existing indwelling needle guided by ultrasonic waves is mostly used for rescuing patients in intensive care units or emergency treatment rooms, the needle for enhancing the ct contrast agent can not be used for patients who are not hit locally, however, the length of the indwelling needle is too short or too long, the indwelling needle is too long and inconvenient to puncture, and the indwelling needle is too short and is easy to fall off. Therefore, it is necessary to invent an indwelling needle structure for use under ultrasound guidance to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an indwelling needle structure for use under ultrasound guidance to solve the problems set forth in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a keep somewhere needle structure for under ultrasonic wave guide, includes the needle file, be provided with the rubber stopper post in the inner chamber of needle file one end, the one end activity of rubber stopper post runs through the one end inner wall of needle file and extends to one side of needle file, a side fixedly connected with fixed block of rubber stopper post, the another side middle part fixedly connected with nook closing member of rubber stopper post, be provided with the isolation stopper with needle file looks adaptation in the inner chamber of needle file, the inside wall fixed connection of isolation stopper and needle file, the one end activity that the rubber stopper post was kept away from to the nook closing member runs through a side of isolation stopper and extends to another terminal surface of needle file, the opposite side inner wall of needle file has seted up the spout, the spout is the ellipse circular, the both sides inner wall of spout has all seted up a plurality of spacing grooves that are equidistant horizontal distribution, be provided with the slide of spout looks adaptation in the inner chamber of spout, the two ends of the sliding plate are matched with the limiting grooves, the middle of the sliding plate is fixedly inserted with a catheter, and one end, far away from the isolating plug, of the needle core is located in the inner cavity of the catheter and matched with the catheter.

Preferably, one end of the catheter, which is far away from the sliding plate, movably penetrates through the inner wall of the other end of the sliding groove and extends to the other side face of the needle seat, and the other end face of the needle seat is provided with a needle sleeve.

Preferably, one end face of the needle sleeve is in fit connection with the other end face of the needle seat, and one end of the catheter, which is far away from the sliding plate, is movably sleeved in an inner cavity of the needle sleeve.

Preferably, the inner wall of the upper end of the needle seat is provided with a liquid inlet, and the inner cavity of the liquid inlet is communicated with the inner cavity of the needle seat.

Preferably, the upper surface of the liquid inlet is provided with a liquid conveying pipe, and the inner cavity of the liquid conveying pipe is communicated with the inner cavity of the liquid inlet.

Preferably, the lower surface of fixed block is fixedly connected with the needle wing, the lateral wall bonding of needle file has a plurality of rubber antiskid that are equidistant annular array and distribute to paste.

The utility model has the technical effects and advantages that:

1. according to the utility model, the inner walls of the two sides of the sliding chute are respectively provided with the plurality of limiting grooves which are distributed horizontally at equal intervals, the inner cavity of the sliding chute is provided with the sliding plate matched with the sliding chute, the two ends of the sliding plate are matched with the limiting grooves, and the middle part of the sliding plate is fixedly inserted with the catheter, so that the catheter can stretch out and draw back to a certain degree, the phenomena that the length of an indwelling needle is too short or too long, the puncture is too long and inconvenient, the puncture is too short and the catheter is easy to fall off are avoided, and the universality of the device is improved;

2. according to the utility model, the outer side wall of the needle base is provided with the plurality of rubber anti-slip pastes capable of being distributed in the annular array at intervals, so that the friction force between the rubber anti-slip pastes and a human body can be increased, and the phenomenon that the device is deviated when a patient moves can be prevented.

Drawings

Fig. 1 is a front view of the overall structure of the present invention.

FIG. 2 is a schematic cross-sectional view of the overall structure of the present invention.

FIG. 3 is a schematic side sectional view of a limiting groove structure according to the present invention.

FIG. 4 is an enlarged view of the structure at A in FIG. 2 according to the present invention.

FIG. 5 is a front view of the slide plate of the present invention.

In the figure: 1. a needle seat; 2. a rubber plug; 3. a fixed block; 4. a needle core; 5. an isolation plug; 6. a chute; 7. a limiting groove; 8. a slide plate; 9. a conduit; 10. a needle sleeve; 11. a liquid inlet; 12. a transfusion tube; 13. A needle wing; 14. the rubber antiskid is pasted.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides an indwelling needle structure for ultrasonic guidance as shown in figures 1-5, which comprises a needle base 1, wherein the inner wall of the other side of the needle base 1 is provided with a chute 6, the chute 6 is elliptical, the inner walls of the two sides of the chute 6 are respectively provided with a plurality of spacing grooves 7 which are horizontally distributed at equal intervals, a sliding plate 8 which is matched with the chute 6 is arranged in the inner cavity of the chute 6, the sliding plate 8 can horizontally move in the inner cavity of the chute 6, the two ends of the sliding plate 8 are respectively matched with the spacing grooves 7, the two ends of the sliding plate 8 can rotate into the inner cavity of the spacing grooves 7, a catheter 9 is fixedly inserted in the middle of the sliding plate 8, and the sliding plate 8 can be driven by the movement of the catheter 9 to synchronously move.

Further, the one end activity that slide 8 was kept away from to pipe 9 runs through the other end inner wall of spout 6 and extends to the another side of needle file 1, when slide 8 moved to in 7 inner chambers of spacing groove near the other end inner wall of spout 6, the length that pipe 9 stretched out this moment has 6.5cm, when slide 8 moved to in 7 inner chambers of one end spacing groove of the opening part of spout 6, the length that pipe 9 stretched out had 5.5cm, be provided with rubber stopper post 2 in the inner chamber of 1 one end of needle file, the one end activity of rubber stopper post 2 runs through the one end inner wall of needle file 1 and extends to one side of needle file 1.

Secondly, a side fixedly connected with fixed block 3 of rubber stopper post 2, the removal of fixed block 3 can drive rubber stopper post 2 and remove in step, another side middle part fixedly connected with nook closing member 4 of rubber stopper post 2, the removal of rubber stopper post 2 can drive nook closing member 4 and remove in step, be provided with the isolation stopper 5 with needle file 1 looks adaptation in the inner chamber of needle file 1, keep apart 5 and the inside wall fixed connection of needle file 1, the one end activity that rubber stopper post 2 was kept away from to nook closing member 4 runs through a side of isolation stopper 5 and extends to another terminal surface of needle file 1, the one end that isolation stopper 5 was kept away from to nook closing member 4 is arranged in the inner chamber of pipe 9 and with pipe 9 looks adaptation.

Further, another terminal surface of needle file 1 is provided with needle cover 10, a terminal surface of needle cover 10 is connected with another terminal surface laminating of needle file 1, the one end activity of keeping away from slide 8 of pipe 9 is cup jointed in the inner chamber of needle cover 10, the upper end inner wall of needle file 1 is provided with inlet 11, the inner chamber of inlet 11 is linked together with the inner chamber of needle file 1, the upper surface of inlet 11 is provided with transfer line 12, the inner chamber of transfer line 12 is linked together with the inner chamber of inlet 11, the lower fixed surface of fixed block 3 is connected with the needle wing 13, the horizontal migration of needle wing 13 can drive fixed block 3 and carry out horizontal migration in step, the lateral wall of needle file 1 bonds and has a plurality of rubber anti-skidding subsides 14 that are equidistant annular array and distribute, rubber anti-skidding subsides 14 can increase and the human skin between the frictional force, can prevent that the patient when the activity, and lead to this device phenomenon that the skew appears.

The working principle of the utility model is as follows:

when the device is used, firstly, routine disinfection is reserved, sterile couplant is coated at a puncture position, then a needle sleeve 10 at the other end of a needle seat 1 is taken down, then a guide tube 9 is rotated, the rotation of the guide tube 9 drives a sliding plate 8 to synchronously rotate, so that the sliding plate 8 moves into an inner cavity of a sliding groove 6, then the guide tube 9 is horizontally moved according to the length of the guide tube 9, the horizontal movement of the guide tube 9 drives the sliding plate 8 to horizontally move in the inner cavity of the sliding groove 6, when the sliding plate 8 moves into the inner cavity of a limiting groove 7 at one end close to an opening of the needle sleeve 10, the extending distance of the guide tube 9 is 6.5cm, and when the sliding plate 8 moves into the inner cavity of the limiting groove 7 at one end close to the opening of the sliding groove 6, the extending distance of the guide tube 9 is 5.5 cm;

then rotate pipe 9 once more, pipe 9's rotation drives slide 8 and rotates in step to make the both ends of slide 8 block respectively to the inner chamber of two spacing grooves 7, can carry out effectual location with pipe 9 this moment, thereby make pipe 9's length can carry out certain adjustment, made things convenient for the use of this device, after that carry out venipuncture with this device through the ultrasonic wave guide, pierce back horizontal migration needle wing 13 and take out nook closing member 4.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims (6)

1. The utility model provides a keep somewhere needle structure for ultrasonic wave guide down, includes needle file (1), its characterized in that: be provided with rubber stopper post (2) in the inner chamber of needle file (1) one end, the one end activity of rubber stopper post (2) runs through the one end inner wall of needle file (1) and extends to one side of needle file (1), a side fixedly connected with fixed block (3) of rubber stopper post (2), another side middle part fixedly connected with needle core (4) of rubber stopper post (2), be provided with in the inner chamber of needle file (1) with isolation stopper (5) of needle file (1) looks adaptation, the inside wall fixed connection of isolation stopper (5) and needle file (1), the one end activity that rubber stopper post (2) was kept away from to needle core (4) runs through a side of isolation stopper (5) and extends to another terminal surface of needle file (1), spout (6) have been seted up to the opposite side inner wall of needle file (1), spout (6) are the ellipse circular, a plurality of spacing groove (7) that are equidistant horizontal distribution have all been seted up to the both sides inner wall of spout (6), the needle core is characterized in that a sliding plate (8) matched with the sliding groove (6) is arranged in an inner cavity of the sliding groove (6), two ends of the sliding plate (8) are matched with the limiting groove (7), a guide pipe (9) is fixedly inserted in the middle of the sliding plate (8), and one end, far away from the isolating plug (5), of the needle core (4) is located in the inner cavity of the guide pipe (9) and matched with the guide pipe (9).

2. The structure of an indwelling needle for ultrasound-guided placement according to claim 1, wherein: one end of the catheter (9) far away from the sliding plate (8) movably penetrates through the inner wall of the other end of the sliding groove (6) and extends to the other side face of the needle seat (1), and a needle sleeve (10) is arranged on the other end face of the needle seat (1).

3. The structure of claim 2, wherein the structure of the indwelling needle for ultrasound-guided placement comprises: one end face of the needle sleeve (10) is in fit connection with the other end face of the needle seat (1), and one end of the catheter (9) far away from the sliding plate (8) is movably sleeved in an inner cavity of the needle sleeve (10).

4. The structure of claim 3, wherein the structure of the indwelling needle for ultrasound-guided placement comprises: the inner wall of the upper end of the needle seat (1) is provided with a liquid inlet (11), and the inner cavity of the liquid inlet (11) is communicated with the inner cavity of the needle seat (1).

5. The structure of claim 4, wherein the structure of the indwelling needle for ultrasound guidance comprises: an infusion tube (12) is arranged on the upper surface of the liquid inlet (11), and the inner cavity of the infusion tube (12) is communicated with the inner cavity of the liquid inlet (11).

6. The structure of claim 5, wherein the structure of the indwelling needle for ultrasound guidance comprises: the lower fixed surface of fixed block (3) is connected with needle wing (13), the lateral wall bonding of needle file (1) has a plurality of rubber antiskid subsides (14) that are equidistant annular array and distribute.

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